28320480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 144

約数和(自身を含む): 98358624

約数和(自身を除く): 70038144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 277, 284, 288, 355, 360, 426, 480, 554, 568, 639, 710, 720, 831, 852, 1065, 1108, 1136, 1278, 1385, 1420, 1440, 1662, 1704, 2130, 2216, 2272, 2493, 2556, 2770, 2840, 3195, 3324, 3408, 4155, 4260, 4432, 4986, 5112, 5540, 5680, 6390, 6648, 6816, 8310, 8520, 8864, 9972, 10224, 11080, 11360, 12465, 12780, 13296, 16620, 17040, 19667, 19944, 20448, 22160, 24930, 25560, 26592, 33240, 34080, 39334, 39888, 44320, 49860, 51120, 59001, 66480, 78668, 79776, 98335, 99720, 102240, 118002, 132960, 157336, 177003, 196670, 199440, 236004, 295005, 314672, 354006, 393340, 398880, 472008, 590010, 629344, 708012, 786680, 885015, 944016, 1180020, 1416024, 1573360, 1770030, 1888032, 2360040, 2832048, 3146720, 3540060, 4720080, 5664096, 7080120, 9440160, 14160240, 28320480]

約数ペア:

[(1, 28320480), (2, 14160240), (3, 9440160), (4, 7080120), (5, 5664096), (6, 4720080), (8, 3540060), (9, 3146720), (10, 2832048), (12, 2360040), (15, 1888032), (16, 1770030), (18, 1573360), (20, 1416024), (24, 1180020), (30, 944016), (32, 885015), (36, 786680), (40, 708012), (45, 629344), (48, 590010), (60, 472008), (71, 398880), (72, 393340), (80, 354006), (90, 314672), (96, 295005), (120, 236004), (142, 199440), (144, 196670), (160, 177003), (180, 157336), (213, 132960), (240, 118002), (277, 102240), (284, 99720), (288, 98335), (355, 79776), (360, 78668), (426, 66480), (480, 59001), (554, 51120), (568, 49860), (639, 44320), (710, 39888), (720, 39334), (831, 34080), (852, 33240), (1065, 26592), (1108, 25560), (1136, 24930), (1278, 22160), (1385, 20448), (1420, 19944), (1440, 19667), (1662, 17040), (1704, 16620), (2130, 13296), (2216, 12780), (2272, 12465), (2493, 11360), (2556, 11080), (2770, 10224), (2840, 9972), (3195, 8864), (3324, 8520), (3408, 8310), (4155, 6816), (4260, 6648), (4432, 6390), (4986, 5680), (5112, 5540)]